Artículos de revistas
Characterization of the selectivity of microsieves using a cross-flow microfiltration system
Registro en:
Brazilian Journal of Chemical Engineering. Brazilian Society of Chemical Engineering, v. 27, n. 4, p. 677-685, 2010.
0104-6632
S0104-66322010000400019
10.1590/S0104-66322010000400019
Autor
Gutierrez-Rivera, L. E.
Katekawa, M. E.
Silva, M. A.
Cescato, L.
Institución
Resumen
Filtration through membranes is a process largely employed in the food and chemical industry to separate particles. Sieves present some advantages in relation to conventional membranes such as high homogeneity in the pore sizes, smooth surfaces, straight-through pores, etc. In this paper we compare the selectivity in the exclusion of particles by size of sieves with circular and slit pores with the same porosity. The selectivity was investigated by filtering a mixture of rutin in water in a cross-flow filtration system. The particle-size distribution of the rutin solution was measured before and after microfiltration. The results showed a high efficiency in the size exclusion of particles for microsieves with circular pores. The filtration through a commercial membrane (net filter) with similar characteristics was also characterized for comparison. 677 685 Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)